Solve for c
c = \frac{147}{5} = 29\frac{2}{5} = 29.4
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\frac{21}{5}\times 7=c
Multiply both sides by 7.
\frac{21\times 7}{5}=c
Express \frac{21}{5}\times 7 as a single fraction.
\frac{147}{5}=c
Multiply 21 and 7 to get 147.
c=\frac{147}{5}
Swap sides so that all variable terms are on the left hand side.
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